Longitudinal Superconductivity in Vortex-Line Phases: A Monte Carlo Study
Gilson Carneiro
DOI 10.1103/PhysRevLett.75.521 · Physical Review Letters
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Abstract
The translational symmetry and the superconducting properties of the vortex-line phases of clean, isotropic, type-II superconductors placed in an external magnetic field H are investigated by Monte Carlo simulations of a lattice London model. These simulations are carried out at constant H and allow for finite penetration length λ. Evidence is found that, in the region λ> intervortex spacing, the translational order and the longitudinal superconductivity that exist in the vortex-lattice phase are destroyed simultaneously at the melting transition into an entangled vortex liquid.
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